[PATCH 1/2] Optimize generic spinlock code and use C11 like atomic macros.

[Andreas Schwab]

On Apr 07 2017, Stefan Liebler <stli@linux.vnet.ibm.com> wrote:

> /* ATOMIC_EXCHANGE_USES_CAS is equal to 1 if atomic_exchange operations

Why 1 exactly, and not just non-zero?

Andreas.

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Andreas Schwab, SUSE Labs, schwab@suse.de
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